Bizum is a fast and safe instant payment service for sending and receiving money that lets you transfer money from your account to another person's account without needing to know their account number. Simply enter their cell phone number and they will receive the money in their checking account instantly and completely free of charge. This service is built into your bank's app. It's as easy as sending a text message. Simply enter the cell phone number of the recipient and that's it.
All you need is an open bank account with the bank and an active telephone number.